Fix vagrant CI + delete unused Makefile

Author: VannTen

.gitlab-ci/vagrant.yml

@@ -28,6 +28,7 @@ vagrant:
     - ./tests/scripts/vagrant_clean.sh
   script:
     - vagrant up
+    - cp ${CI_PROJECT_DIR}/.vagrant/provisioners/ansible/inventory/vagrant_ansible_inventory $ANSIBLE_INVENTORY
     - ./tests/scripts/testcases_run.sh
   after_script:
     - vagrant destroy -f